Alderleaf Buckthorn
Rhamnus alnifolia
Robert H. Mohlenbrock
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rhamnaceae
- Genus:
- Rhamnus
- Species:
- Rhamnus alnifolia
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 4-6 ft
- Light Requirements:
- Part Shade, Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may, jun, jul, aug
- Bloom Colors:
- Yellow, Green, Brown
- Landscaping Shrub:
- Yes
Native Range
United States: California, Connecticut, Iowa, Idaho, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Montana, North Dakota, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, South Dakota, Tennessee, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan
Host Plant for Caterpillars
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetland areas
Germination Information
Pre-treatment: For seeds, cold moist stratification for 90-150 days. For cuttings, 17 cm in length, taken in late June, treated with 8000 ppm Hormex rooting powder and struck in sand media under mist with bottom heat for 7 weeks.
Establishment: Seeds are collected when mature fruits turn black in September. Cuttings are collected in late June. The plant is found from British Columbia east to Quebec and Maine and south to California, Idaho, Montana, and Wyoming.
Source: npn.rngr.net